Pith Number

pith:QT6KPJHY

pith:2025:QT6KPJHYLTCAFPDOI2SHWCYEMO

not attested not anchored not stored refs pending

Stability analysis of an inverse coefficients problem in a system of partial differential equations

Chayma Nssibi, Houcine Meftahi

arxiv:2505.05116 v1 · 2025-05-08 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QT6KPJHYLTCAFPDOI2SHWCYEMO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Support identification for parameter variations in a PDE system via regularized methods

Receipt and verification

First computed	2026-07-05T11:00:19.169219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84fca7a4f85cc402bc6e46a47b0b0463a578e5787ad0ab9d4e6ae5cd1e39756e

Aliases

arxiv: 2505.05116 · arxiv_version: 2505.05116v1 · doi: 10.48550/arxiv.2505.05116 · pith_short_12: QT6KPJHYLTCA · pith_short_16: QT6KPJHYLTCAFPDO · pith_short_8: QT6KPJHY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QT6KPJHYLTCAFPDOI2SHWCYEMO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 84fca7a4f85cc402bc6e46a47b0b0463a578e5787ad0ab9d4e6ae5cd1e39756e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be52d8003d9ec9b717d4fc61b82c7083b3de919b32c407a8c26a1481582d773",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-08T10:39:33Z",
    "title_canon_sha256": "1353ad211fb97cc4b6fed41e5823ed99e328f9281c2543fff2452225b63cbcbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.05116",
    "kind": "arxiv",
    "version": 1
  }
}